MC68HC705 MOTOROLA [Motorola, Inc], MC68HC705 Datasheet - Page 36
MC68HC705
Manufacturer Part Number
MC68HC705
Description
HCMOS Microcontroller Unit
Manufacturer
MOTOROLA [Motorola, Inc]
Datasheet
1.MC68HC705.pdf
(222 pages)
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Memory
Technical Data
36
(1)
$1FDE
$1EFF
$1FDF
$1FEF
$00BF
$00C0
$1FE0
$1FFF
$001F
$002F
$004F
$00FF
$015F
$1F00
$1FF0
$1FF1
$1FF2
$0000
$0020
$0030
$0050
$0100
$0160
See 9.5.1 Option Register for information.
USER PROM
RAM0 = 1
RAM1 = 0
16 BYTES
32 BYTES
96 BYTES
UNUSED
RAM
MASK OPTION REGISTER 1
MASK OPTION REGISTER 2
USER PROM VECTORS
BOOT ROM VECTORS
BOOTLOADER ROM
OPTION REGISTER
(1)
(1)
I/O REGISTERS
USER PROM
7584 BYTES
240 BYTES
32 BYTES
16 BYTES
12 BYTES
176 BYTES
RAM
USER PROM
RAM0 = 0
RAM1 = 1
48 BYTES
64 BYTES
96 BYTES
STACK
RAM
Figure 2-1. Memory Map
(1)
(1)
Memory
SOFTWARE INTERRUPT VECTOR (HIGH)
EXTERNAL INTERRUPT VECTOR (HIGH)
SOFTWARE INTERRUPT VECTOR (LOW)
EXTERNAL INTERRUPT VECTOR (LOW)
OUTPUT COMPARE REGISTER (HIGH)
OUTPUT COMPARE REGISTER (LOW)
ALTERNATE TIMER REGISTER (HIGH)
PORT A DATA DIRECTION REGISTER
PORT B DATA DIRECTION REGISTER
PORT C DATA DIRECTION REGISTER
ALTERNATE TIMER REGISTER (LOW)
INPUT CAPTURE REGISTER (HIGH)
TIMER INTERRUPT VECTOR (HIGH)
INPUT CAPTURE REGISTER (LOW)
TIMER INTERRUPT VECTOR (LOW)
SPI INTERRUPT VECTOR (HIGH)
SCI INTERRUPT VECTOR (HIGH)
SPI INTERRUPT VECTOR (LOW)
SCI INTERRUPT VECTOR (LOW)
EPROM PROGRAM REGISTER
TIMER CONTROL REGISTER
PORT D FIXED INPUT PORT
SCI BAUD RATE REGISTER
SCI CONTROL REGISTER 1
SCI CONTROL REGISTER 2
COP CONTROL REGISTER
TIMER STATUS REGISTER
SPI CONTROL REGISTER
TIMER REGISTER (HIGH)
PORT A DATA REGISTER
PORT B DATA REGISTER
PORT C DATA REGISTER
TIMER REGISTER (LOW)
COP RESET REGISTER
RESET VECTOR (HIGH)
SPI STATUS REGISTER
SCI STATUS REGISTER
RESET VECTOR (LOW)
SPI DATA REGISTER
SCI DATA REGISTER
RESERVED
RESERVED
UNUSED
UNUSED
UNUSED
UNUSED
MC68HC705C8A — Rev. 2.0
$0000
$0001
$0002
$0003
$0004
$0005
$0006
$0007
$0008
$0009
$000A
$000B
$000C
$000D
$000E
$000F
$0010
$0011
$0012
$0013
$0014
$0015
$0016
$0017
$0018
$0019
$001A
$001B
$001C
$001D
$001E
$001F
$1FF2
$1FF3
$1FF4
$1FF5
$1FF6
$1FF7
$1FF8
$1FF9
$1FFA
$1FFB
$1FFC
$1FFD
$1FFE
$1FFF
MOTOROLA